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Finding the Fourth Proportional to 6,650.28, 9,177.44 and 3,666.22

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Solution

The fourth proportional to 6,650.28, 9,177.44 and 3,666.22 is: 5,059.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,650.28 : 9,177.44 = 3,666.22 : x
  2. Step 2: Convert to fraction form
    6,650.28/9,177.44 = 3,666.22/x
  3. Step 3: Cross multiply
    6,650.28x = 9,177.44 × 3,666.22
  4. Step 4: Simplify right side
    6,650.28x = 33,646,476.22
  5. Step 5: Solve for x
    x = 33,646,476.22/6,650.28
  6. Step 6: Final answer
    x = 5,059.41

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.